CN205895498U

CN205895498U - Multi -wind wheel birotor wind generating set tree

Info

Publication number: CN205895498U
Application number: CN201620801859.7U
Authority: CN
Inventors: 李勇; 曾剑良
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-28
Filing date: 2016-07-28
Publication date: 2017-01-18
Anticipated expiration: 2026-07-28

Abstract

The utility model relates to a multi -wind wheel birotor wind generating set tree can effectively solve and improve wind power generation efficiency, reduce wind power generation equipment cost and reduce the problem of cost of electricity -generating, and technical scheme is, including support and a plurality of birotor aerogenerator s of setting on the support, the support includes vertical braces and the bracing of setting in the vertical braces both sides, and birotor aerogenerator sets up on the bracing, birotor aerogenerator include generator box and cored winding, permanent magnet, inner rotor axle and the external rotor axle of dress in the generator box, epaxial first drive fan blade and the second drive fan blade of being provided with respectively of inner rotor axle and external rotor, the utility model discloses with traditional single motor electricity generation becoming many motors cogeneration to adopted birotor aerogenerator, little, the light in weight of fan is to reducing equipment cost and utilizing the low latitude wind energy in the current wind field to have very big meaning and effect.

Description

A kind of multi-wind wheel Double-rotor wind-driven generator group tree

Technical field

The utility model is related to wind power plant, particularly a kind of multi-wind wheel Double-rotor wind-driven generator group tree.

Background technology

Due to the minimizing increasingly of fossil energy, the exploitation of regenerative resource is just further urgent, and currently, global wind-force is sent out The development trend of motor equipment is increasing, more and more higher, and " the bigger generating of blower fan is more " have become being total to of the global industry Know.Such as company of nearest Denmark is 90 in the huge blower fan for Germany's 180 meters of impeller diameter of manufacture, its 3 length of blade Rice, will transport this huge blade and must block passed through road surface, lifting even more needs huge crane, thus this huge Although generator generated energy is many, no matter it manufactures, transports or installs, and difficulty and funds are huge, and its cost of electricity-generating is simultaneously Do not reduce, therefore be also difficult to popularization and should have, how to look for another way, develop a kind of small-sized, lightweight, easy transportation and installation, generate electricity Amount and big and low cost wind-driven generator, are those skilled in the art's concerns.

Utility model content

For above-mentioned situation, for overcoming the defect of prior art, the purpose of the utility model is exactly to provide a kind of multi-wind wheel Double-rotor wind-driven generator group tree, effectively solving can improve wind power generation efficiency, reduces wind power plant cost and reduction The problem of electric cost.

The utility model solve technical scheme be, a kind of multi-wind wheel Double-rotor wind-driven generator group tree, including support with It is arranged on the multiple Double-rotor wind-driven generators on support, support includes vertical supporting and is arranged on the oblique of vertical supporting both sides Support, Double-rotor wind-driven generator is arranged on diagonal brace, and described Double-rotor wind-driven generator includes generator casing body and sends out with being contained in Iron core winding in motor case body, permanent magnet, inner rotor shaft and outer rotor shaft, described iron core winding is fixed through outer rotor case Rotate on outer rotor shaft and with outer rotor shaft rotation, constitute outer rotor, described permanent magnet is fixed on through internal rotor yoke Rotate on inner rotor shaft and with inner rotor shaft rotation, constitute internal rotor, iron core winding and permanent magnet are just to setting, iron core winding Form air gap and permanent magnet between, the two is in mutual reverse direction rotation, constitutes magnetic field generation structure；Diagonal brace is fixed with generator casing body Together, all in being horizontally disposed with one heart, generator case is all stretched out in vitro in the free end of the two, stretches out for inner rotor shaft and outer rotor shaft The inner rotor shaft of part and outer rotor shaft on be respectively arranged with the first driving fan blade and second driving fan blade, constitute internal rotor Axle, the wind drive structure of outer rotor shaft.

Described inner rotor shaft includes internal rotor input shaft 12a and internal rotor output shaft 12b, internal rotor input shaft 12a and It is provided with the first gear speed changer 22a exporting rotating speed for increasing internal rotor between internal rotor output shaft 12b；Internal rotor is defeated Enter shaft extension and go out outside generator casing body, the first driving fan blade 7a is contained on the internal rotor input shaft stretching out generator case body portion, interior Rotor rim is fixed on internal rotor output shaft；

Described outer rotor shaft includes outer rotor input shaft 13a and outer rotor output shaft 13b, outer rotor input shaft 13a and It is provided with the second gear speed changer 22b exporting rotating speed for increasing outer rotor between outer rotor output shaft 13b；Outer rotor is defeated Enter axle 13a and stretch out generator case in vitro, the second driving fan blade 7b is contained on the outer rotor input shaft stretching out generator case body portion, Iron core winding is fixed on outer rotor output shaft；

Described first gear speed changer 22a is identical with second gear speed changer 22b structure, all includes great circle input gear 221 and ringlet output gear 223, it is provided between great circle input gear 221 and ringlet output gear 223 and all engage with the two Travelling gear 222, internal rotor input shaft 12a, outer rotor input shaft 13a respectively with and the two corresponding great circle input gear 221 Be connected, internal rotor output shaft 12b, outer rotor output shaft 13b respectively with and the two corresponding ringlet output gear 223 be connected；

The utility model structure novel and unique, advantages of simple, traditional single electric power generation is changed into many motors cogeneration, And employ Double-rotor wind-driven generator, its internal rotor and outer rotor are in that rightabout rotates, and cause iron core winding cutting magnetic The speed multiplication of the line of force, its generated energy is more than 3 times of same power single rotor generator, high efficiency, low cost, easy to use, effect Really good, further, since blower fan its rotary inertia little, lightweight, former is also little, so the wind speed starting fan blade can substantially reduce, therefore The utility model wind-powered electricity generation tree need not build very high absorbing the wind energy of high-altitude wind speed, this is for reducing equipment manufacturing cost and using existing Low latitude wind energy in wind field has great meaning and effect, excavates the potentiality of low clearance area breeze wind, is that wind-power electricity generation sets Standby upper innovation.

Brief description

Fig. 1 is front view of the present utility model.

Fig. 2 is the cross sectional plan view of the utility model Double-rotor wind-driven generator.

Fig. 3 is the sectional view of the utility model gear-shift mechanism.

Specific embodiment

Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in further detail.

Be given by Fig. 1-3, the utility model includes support and the multiple Double-rotor wind-driven generators 15 being arranged on support, Support includes vertical supporting 14 and the diagonal brace 17 being arranged on vertical supporting both sides, and Double-rotor wind-driven generator 15 is arranged on diagonal brace On, described Double-rotor wind-driven generator 15 includes generator casing body 19 and the iron core winding being contained in generator case body, permanent magnetism Body 6, inner rotor shaft and outer rotor shaft, described iron core winding is fixed on outer rotor shaft and with outer rotor through outer rotor case 1 Axle rotates and rotates, and constitutes outer rotor, and described permanent magnet 6 is fixed on inner rotor shaft and with internal rotor through internal rotor yoke 4 Axle rotates and rotates, and constitutes internal rotor, and iron core winding and permanent magnet, just to setting, form gas between iron core winding and permanent magnet Gap, the two is in mutual reverse direction rotation, constitutes magnetic field generation structure；Diagonal brace 17 is fixed together with generator casing body 19, internal rotor , all in being horizontally disposed with one heart, generator case is all stretched out in vitro in the free end of the two, interior turn of the part stretched out for axle and outer rotor shaft First driving fan blade 7a and second driving fan blade 7b is respectively arranged with sub- axle and outer rotor shaft, constitutes inner rotor shaft, outer rotor The wind drive structure of axle.

For ensureing using effect, described generator casing body 19 is hollow structure, and its inner chamber constitutes outer rotor and internal rotor Rotation space, be separately provided in generator case body supporting the first bearing 8a of internal rotor and for supporting outer rotor Second bearing 8b；

The first described bearing 8a is connected with inner rotor shaft through the first spring bearing 10a, and the second bearing 8b is through the second support Bearing 10b is connected with outer rotor shaft；

Outer rotor case is stretched into from the side of outer rotor case in one end that described inner rotor shaft stretches in generator case body Interior, the one end stretched into is connected with the inwall of outer rotor case 1 through clutch shaft bearing 9a respectively, and the opposite side of outer rotor case 1 is with outward One end of armature spindle is fixed together；

It is provided with reinforcement 5 in described internal rotor yoke 4；

Described iron core winding is constitute by iron core 3 and around the coil 2 being contained on iron core；

Described outer rotor case 1 is the disk type hollow knot being made up of the circular cone of middle cylinder and cylinder two ends Structure；

Described permanent magnet 6 has 2, is symmetrically arranged in the internal rotor yoke of iron core winding both sides, and equal and iron Core winding is just right, constitutes bilateral magnetic field electrification structure；

Described frame bottom is provided with footing foundation 20, and vertical supporting is provided with cross reinforcing 21, vertical supporting It is provided with Auxiliary support 11 and footing foundation between；

Uniform supporting table 14 is provided with described support, between two adjacent supporting tables, is provided with corresponding 2 group Diagonal brace, the outer end of 2 groups of diagonal braces is all fixed together with the generator casing body of Double-rotor wind-driven generator, constitutes double-rotor wind power and sends out The fixed structure of motor；Generator casing body can be connected by high-strength bolt with diagonal brace；

Described cradle top is provided with lightning rod 16 or plasma arrester；

Be provided with second bearing 9b between described generator casing body and inner rotor shaft, generator casing body and outer rotor shaft it Between be provided with 3rd bearing 9c；

The length of the first described driving fan blade 7a and the second driving fan blade 7b is that one is long and the other is short, when specifically used, setting In windward side, forward driving fan blade length is less than and is arranged on windward side fan blade length rearward, and one ensures that the rotating speed of the two is basic Unanimously.

When the utility model uses, a pack support is provided with multiple Double-rotor wind-driven generators 15, by traditional single electricity Machine generates electricity and is changed into many motors cogeneration, and employs Double-rotor wind-driven generator, drives the first driving fan blade by wind energy It is in that rightabout rotates that 7a and second drives fan blade 7b, thus driving internal rotor and outer rotor to be in mutual reverse direction rotation, due to interior Rotor and outer rotor are in that rightabout rotates, and cause the speed of iron core winding cutting magnetic line to double, therefore generated output is in number Times increase, the generated energy of double-rotor machine is about with more than 3 times of power single rotor generator, high efficiency, low cost, makes a wind Field sends the electricity of two wind fields, and generation comprehensive cost declines more than 30%, and two groups drive fan blade to revolve to both direction simultaneously Turn, the centrifugal force of two groups of driving fan blades is cancelled out each other, and increased the stability of generator, decreases the loss ratio of generator, prolong Grow the service life of generator, further, since blower fan its rotary inertia little, lightweight, former is also little, so starting the wind of fan blade Speed can substantially reduce, thus the utility model wind-powered electricity generation tree need not build very high absorbing the wind energy of high-altitude wind speed, this sets for reduction There are great meaning and effect for cost with using the low latitude wind energy in existing wind field, excavate the latent of low clearance area breeze wind Power, the utility model adopts Double-rotor wind-driven generator cogeneration, thus thermal power output can be made to reduce, improves energy knot Structure, reduces environmental pollution, can solve the area that some remote mountain areas, island and electric power cannot reach, using local simultaneously Generating electricity, to solve illumination and the household electricity of locality, easy to use, effect is good, is on wind power plant for wind resource Innovation, has good Social and economic benef@.

Claims

1. a kind of multi-wind wheel Double-rotor wind-driven generator group tree is it is characterised in that including support and being arranged on multiple on support Double-rotor wind-driven generator (15), support includes vertical supporting (14) and the diagonal brace (17) being arranged on vertical supporting both sides, double turns Sub- wind-driven generator (15) is arranged on diagonal brace, and described Double-rotor wind-driven generator (15) includes generator casing body (19) and dress Iron core winding in generator case body, permanent magnet (6), inner rotor shaft and outer rotor shaft, described iron core winding is through outer rotor Housing (1) is fixed on outer rotor shaft and rotates with outer rotor shaft and rotate, and constitutes outer rotor, described permanent magnet (6) is through interior Rotor rim (4) is fixed on inner rotor shaft and rotates with inner rotor shaft and rotate, and constitutes internal rotor, iron core winding and permanent magnet Just to setting, between iron core winding and permanent magnet, form air gap, the two is in mutual reverse direction rotation, constitutes magnetic field generation structure；Tiltedly Support (17) is fixed together with generator casing body (19), inner rotor shaft and outer rotor shaft all in being horizontally disposed with one heart, the two oneself All stretch out generator case in vitro by holding, the inner rotor shaft of the part stretched out and outer rotor shaft are respectively arranged with the first driving fan blade (7a) He the second drives fan blade (7b), constitutes inner rotor shaft, the wind drive structure of outer rotor shaft.

2. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 1 is it is characterised in that described generator case Body (19) is hollow structure, and its inner chamber constitutes the rotation space of outer rotor and internal rotor, is respectively arranged with use in generator case body The second bearing (8b) in the first bearing (8a) supporting internal rotor with for supporting outer rotor.

3. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 2 is it is characterised in that described the first bearing (8a) it is connected with inner rotor shaft through the first spring bearing (10a), the second bearing (8b) is through the second spring bearing (10b) and outer rotor Axle is connected.

4. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 1 is it is characterised in that described inner rotor shaft The one end in outer rotor case, stretched into is stretched into respectively through first from the side of outer rotor case in the one end stretched in generator case body Bearing (9a) is connected with the inwall of outer rotor case (1), and the opposite side of outer rotor case (1) and one end of outer rotor shaft are fixed on Together.

5. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 1 is it is characterised in that described inner rotor shaft Including internal rotor input shaft (12a) and internal rotor output shaft (12b), internal rotor input shaft (12a) and internal rotor output shaft (12b) Between be provided with for increase internal rotor export rotating speed first gear speed changer (22a)；Internal rotor input shaft stretches out generating Cabinet is external, and the first driving fan blade (7a) is contained on the internal rotor input shaft stretching out generator case body portion, and internal rotor yoke is solid It is scheduled on internal rotor output shaft；

Described outer rotor shaft includes outer rotor input shaft (13a) and outer rotor output shaft (13b), outer rotor input shaft (13a) It is provided with the second gear speed changer (22b) exporting rotating speed for increasing outer rotor and outer rotor output shaft (13b) between；Outward Rotor input shaft (13a) stretches out that generator case is external, and the second driving fan blade (7b) is contained in stretches out outer turn of generator case body portion On sub- input shaft, iron core winding is fixed on outer rotor output shaft；

Described first gear speed changer (22a) is identical with second gear speed changer (22b) structure, all includes great circle input gear (221) and ringlet output gear (223), it is provided with and the two between great circle input gear (221) and ringlet output gear (223) The travelling gear (222) of equal engagements, internal rotor input shaft (12a), outer rotor input shaft (13a) respectively with and the two is corresponding big Circle input gear (221) is connected, internal rotor output shaft (12b), outer rotor output shaft (13b) respectively with and the two is corresponding little Circle output gear (223) is connected.

6. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 1 is it is characterised in that described frame bottom It is provided with footing foundation (20), vertical supporting is provided with cross reinforcing (21), arrange between vertical supporting and footing foundation There is Auxiliary support (11).

7. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 1 is it is characterised in that set on described support It is equipped with uniform supporting table (18), between two adjacent supporting tables, is provided with corresponding 2 group diagonal brace, the outer end of 2 groups of diagonal braces is equal It is fixed together with the generator casing body of Double-rotor wind-driven generator, constitute the fixed structure of Double-rotor wind-driven generator.

8. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 1 is it is characterised in that described cradle top It is provided with lightning rod (16).

9. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 1 and 2 is it is characterised in that described generating It is provided with second bearing (9b) between box body and inner rotor shaft, between generator casing body and outer rotor shaft, be provided with 3rd bearing (9c).

10. multi-wind wheel Double-rotor wind-driven generator group tree according to claim 1 is it is characterised in that described first drive It is that one is long and the other is short that dynamic fan blade (7a) and second drives the length of fan blade (7b).